I could disqualify you could disqualify he could disqualify we could disqualify you could disqualify they could disqualify
V-ing form
I could be disqualifying you could be disqualifying he could be disqualifying we could be disqualifying you could be disqualifying they could be disqualifying
Perfect
I could have disqualified you could have disqualified he could have disqualified we could have disqualified you could have disqualified they could have disqualified
V-ing perfect
I could have been disqualifying you could have been disqualifying he could have been disqualifying we could have been disqualifying you could have been disqualifying they could have been disqualifying
Negation
Simple form
I couldn't disqualify you couldn't disqualify he couldn't disqualify we couldn't disqualify you couldn't disqualify they couldn't disqualify
V-ing form
I couldn't be disqualifying you couldn't be disqualifying he couldn't be disqualifying we couldn't be disqualifying you couldn't be disqualifying they couldn't be disqualifying
Perfect
I couldn't have disqualified you couldn't have disqualified he couldn't have disqualified we couldn't have disqualified you couldn't have disqualified they couldn't have disqualified
V-ing perfect
I couldn't have been disqualifying you couldn't have been disqualifying he couldn't have been disqualifying we couldn't have been disqualifying you couldn't have been disqualifying they couldn't have been disqualifying
Interrogative form
Simple form
could I disqualify? could you disqualify? could he disqualify? could we disqualify? could you disqualify? could they disqualify?
V-ing form
could I be disqualifying? could you be disqualifying? could he be disqualifying? could we be disqualifying? could you be disqualifying? could they be disqualifying?
Perfect
could I have disqualified? could you have disqualified? could he have disqualified? could we have disqualified? could you have disqualified? could they have disqualified?
V-ing perfect
could I have been disqualifying? could you have been disqualifying? could he have been disqualifying? could we have been disqualifying? could you have been disqualifying? could they have been disqualifying?
Interro-negative form
Simple form
couldn't I disqualify? couldn't you disqualify? couldn't he disqualify? couldn't we disqualify? couldn't you disqualify? couldn't they disqualify?
V-ing form
couldn't I be disqualifying? couldn't you be disqualifying? couldn't he be disqualifying? couldn't we be disqualifying? couldn't you be disqualifying? couldn't they be disqualifying?
Perfect
couldn't I have disqualified? couldn't you have disqualified? couldn't he have disqualified? couldn't we have disqualified? couldn't you have disqualified? couldn't they have disqualified?
V-ing perfect
couldn't I have been disqualifying? couldn't you have been disqualifying? couldn't he have been disqualifying? couldn't we have been disqualifying? couldn't you have been disqualifying? couldn't they have been disqualifying?